Sanserifs are a kind of letters that do not have the little lines at the ends of the letters.
Sanserifs are modern and clean, and they are often used in things like logos and signs.
Examples:
The sign used sanserifs for the letters.
The logo has sanserifs in it.
I like the sanserifs because they look simple.
The book used sanserifs for the title.
The sanserifs make the words look very modern.
The teacher writes with sanserifs on the board.